state gov Patna High Court Mazdoor (Group C) Mock Test 2025 Quantitative Aptitude Time and Work Pipe and Cistern
A pipe can fill an overhead tank in 12 hours. But due to a leak at the bottom, it is filled in 18 hours. If the tank is full, how much time will the leak take to empty it?
1
3.6 hours
2
63 hours
3
7.2 hours
4
36 hours